English
Related papers

Related papers: TSGBench: Time Series Generation Benchmark

200 papers

Recent advances in generative modeling can create remarkably realistic synthetic videos, making it increasingly difficult for humans to distinguish them from real ones and necessitating reliable detection methods. However, two key…

Computer Vision and Pattern Recognition · Computer Science 2026-01-19 Long Ma , Zihao Xue , Yan Wang , Zhiyuan Yan , Jin Xu , Xiaorui Jiang , Haiyang Yu , Yong Liao , Zhen Bi

While anomaly detection in time series has been an active area of research for several years, most recent approaches employ an inadequate evaluation criterion leading to an inflated F1 score. We show that a rudimentary Random Guess method…

Machine Learning · Computer Science 2022-03-11 Keval Doshi , Shatha Abudalou , Yasin Yilmaz

Industrial Multivariate Time Series (MTS) is a critical view of the industrial field for people to understand the state of machines. However, due to data collection difficulty and privacy concerns, available data for building industrial…

Machine Learning · Computer Science 2024-10-23 Lei Ren , Haiteng Wang , Yuanjun Laili

Generative models have gained significant attention for their ability to produce realistic synthetic data that supplements the quantity of real-world datasets. While recent studies show performance improvements in wireless sensing tasks by…

Machine Learning · Computer Science 2025-07-01 Chen Gong , Bo Liang , Wei Gao , Chenren Xu

High-quality time series (TS) data are essential for ensuring TS model performance, rendering research on rating TS data quality indispensable. Existing methods have shown promising rating accuracy within individual domains, primarily by…

Machine Learning · Computer Science 2026-03-11 Shunyu Wu , Dan Li , Wenjie Feng , Haozheng Ye , Jian Lou , See-Kiong Ng

Time series analysis plays a critical role in numerous applications, supporting tasks such as forecasting, classification, anomaly detection, and imputation. In this work, we present the time series pattern machine (TSPM), a model designed…

Machine Learning · Computer Science 2025-05-20 Shiyu Wang , Jiawei Li , Xiaoming Shi , Zhou Ye , Baichuan Mo , Wenze Lin , Shengtong Ju , Zhixuan Chu , Ming Jin

Time series data are central to domains such as finance, healthcare, and cloud computing, yet existing benchmarks for evaluating various large language models (LLMs) on temporal tasks remain scattered and unsystematic. To bridge this gap,…

Databases · Computer Science 2026-02-10 Yao Yin , Zhenyu Xiao , Musheng Li , Yiwen Liu , Sutong Nan , Yiting He , Ruiqi Wang , Zhenwei Zhang , Qingmin Liao , Yuantao Gu

As optimization challenges continue to evolve, so too must our tools and understanding. To effectively assess, validate, and compare optimization algorithms, it is crucial to use a benchmark test suite that encompasses a diverse range of…

Neural and Evolutionary Computing · Computer Science 2025-11-18 Amir H. Gandomi , Mohammad Nabi Omidvar , Rohit Salgotra , Kalyanmoy Deb

Time series research has gathered lots of interests in the last decade, especially for Time Series Classification (TSC) and Time Series Forecasting (TSF). Research in TSC has greatly benefited from the University of California Riverside and…

Machine Learning · Computer Science 2020-10-21 Chang Wei Tan , Christoph Bergmeir , Francois Petitjean , Geoffrey I. Webb

Utility and privacy are two crucial measurements of the quality of synthetic tabular data. While significant advancements have been made in privacy measures, generating synthetic samples with high utility remains challenging. To enhance the…

Machine Learning · Computer Science 2024-03-28 Oriel Perets , Nadav Rappoport

Time series anomaly detection is extensively studied in statistics, economics, and computer science. Over the years, numerous methods have been proposed for time series anomaly detection using deep learning-based methods. Many of these…

Machine Learning · Computer Science 2022-08-25 Shahroz Tariq , Binh M. Le , Simon S. Woo

Time series (TS) data have consistently been in short supply, yet their demand remains high for training systems in prediction, modeling, classification, and various other applications. Synthesis can serve to expand the sample population,…

Signal Processing · Electrical Eng. & Systems 2024-04-23 Tracey K. M. Lee , H. W. Chan , K. H. Leo , Effie Chew , L. Zhao , Saeid Sanei

Current Generative Adversarial Network (GAN)-based approaches for time series generation face challenges such as suboptimal convergence, information loss in embedding spaces, and instability. To overcome these challenges, we introduce an…

Machine Learning · Computer Science 2024-10-29 MohammadReza EskandariNasab , Shah Muhammad Hamdi , Soukaina Filali Boubrahimi

The advancement of Time Series Foundation Models (TSFMs) has been driven primarily by large-scale pre-training, but inference-time compute potential remains largely untapped. This work systematically investigates two questions: how do TSFMs…

Machine Learning · Computer Science 2026-01-27 Ruijin Hua , Zichuan Liu , Kun Zhang , Yiyuan Yang

Time series generation (TSG) is widely used across domains, yet most existing methods assume regular sampling and fixed output resolutions. These assumptions are often violated in practice, where observations are irregular and sparse, while…

Machine Learning · Computer Science 2026-02-02 Xu Zhang , Junwei Deng , Chang Xu , Hao Li , Jiang Bian

Financial time series forecasting is central to trading, portfolio optimization, and risk management, yet it remains challenging due to noisy, non-stationary, and heterogeneous data. Recent advances in time series foundation models (TSFMs),…

Computational Finance · Quantitative Finance 2025-11-25 Eghbal Rahimikia , Hao Ni , Weiguan Wang

The success of deep learning-based generative models in producing realistic images, videos, and audios has led to a crucial consideration: how to effectively assess the quality of synthetic samples. While the Fr\'{e}chet Inception Distance…

Machine Learning · Computer Science 2024-03-12 Yang Chen , Dustin J. Kempton , Rafal A. Angryk

Benchmarks are the de facto standard for tracking progress in large language models (LLMs), yet static test sets can rapidly saturate, become vulnerable to contamination, and are costly to refresh. Scalable evaluation of open-ended items…

Computation and Language · Computer Science 2026-03-24 Yandan Zheng , Haoran Luo , Zhenghong Lin , Wenjin Liu , Luu Anh Tuan

Unsupervised anomaly detection in time-series has been extensively investigated in the literature. Notwithstanding the relevance of this topic in numerous application fields, a comprehensive and extensive evaluation of recent…

Machine Learning · Computer Science 2024-08-13 Nesryne Mejri , Laura Lopez-Fuentes , Kankana Roy , Pavel Chernakov , Enjie Ghorbel , Djamila Aouada

Video generation assessment is essential for ensuring that generative models produce visually realistic, high-quality videos while aligning with human expectations. Current video generation benchmarks fall into two main categories:…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Hui Han , Siyuan Li , Jiaqi Chen , Yiwen Yuan , Yuling Wu , Chak Tou Leong , Hanwen Du , Junchen Fu , Youhua Li , Jie Zhang , Chi Zhang , Li-jia Li , Yongxin Ni